#include <iostream>

using namespace std;

int main(void)
{
    //比较运算符

    // ==
    int a = 10;
    int b = 20;
    cout << (a == b) << endl;

    // !=
    cout << (a != b) << endl;

    // <
    cout << (a < b) << endl;

    // >
    cout << (a > b) << endl;

    // <=
    cout << (a <= b) << endl;

    // >=   
    cout << (a >= b) << endl;

    return 0;
}